• In Jai Kim, Jae Youn Moon, Eun-Jung Ko, Yeong-Min Lim, Sang Hoon Kim, Woo-In Yang, Jung-Hoon Sung, Sang-Wook Lim, and Dong-Hun Cha.
• Department of Cardiology, CHA Bundang Medical Center, CHA University, Seongnam, Korea.
• Geriatr Gerontol Int. 2016 Oct 1; 16 (10): 1109-1116.

AimWe investigated the prognostic value of preoperative N-terminal pro-brain natriuretic peptide (NT-proBNP) in non-cardiac surgery in elderly patients who showed normal left ventricular function on preoperative echocardiography.MethodsWe analyzed 1459 patients aged older than 70 years who had consulted a cardiologist for the evaluation of cardiovascular risk for non-cardiac surgery. Of the 721 patients who simultaneously underwent echocardiography and NT-proBNP assessments, 506 who showed normal left ventricular systolic function were included. The predictive power of NT-proBNP for the risk of major adverse cardiac and cerebrovascular events (MACCE) was evaluated.ResultsMACCE occurred in 40 (7.9%) of the 506 patients, and the median value of NT-proBNP was higher in patients with complications than in those without (MACCE group: 1700.5 pg/mL vs non MACCE group: 206.35 pg/mL; P < 0.001). The area under the receiver operating characteristic curve was 0.804 (P < 0.001), with an optimal cut-off of 425.3 pg/mL. Multivariate analysis showed that increased NT-proBNP (>425.3 pg/mL; odds ratio 6.381; P < 0.001) was the only independent risk factor for the prediction of MACCE.ConclusionsIn elderly patients who showed normal left ventricular systolic function on echocardiography, measurement of preoperative NT-proBNP concentration might be a useful test for predicting the occurrence of MACCE after non-cardiac surgery. Geriatr Gerontol Int 2016; 16: 1109-1116.© 2015 Japan Geriatrics Society.

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